CN113236122A - Rotary drilling rig - Google Patents

Rotary drilling rig Download PDF

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Publication number
CN113236122A
CN113236122A CN202110697026.6A CN202110697026A CN113236122A CN 113236122 A CN113236122 A CN 113236122A CN 202110697026 A CN202110697026 A CN 202110697026A CN 113236122 A CN113236122 A CN 113236122A
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CN
China
Prior art keywords
mast
drilling rig
rotary drilling
flange plate
anchor
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Pending
Application number
CN202110697026.6A
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Chinese (zh)
Inventor
杨龙君
黎伟福
张方红
赵健
陈龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zoomlion Heavy Industry Science and Technology Co Ltd
Shanghai Zoomlion Piling Machinery Co Ltd
Original Assignee
Zoomlion Heavy Industry Science and Technology Co Ltd
Shanghai Zoomlion Piling Machinery Co Ltd
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Application filed by Zoomlion Heavy Industry Science and Technology Co Ltd, Shanghai Zoomlion Piling Machinery Co Ltd filed Critical Zoomlion Heavy Industry Science and Technology Co Ltd
Priority to CN202110697026.6A priority Critical patent/CN113236122A/en
Publication of CN113236122A publication Critical patent/CN113236122A/en
Priority to PCT/CN2022/099985 priority patent/WO2022268041A1/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

一种旋挖钻机，包括吊锚架和桅杆，吊锚架连接于桅杆的端部，吊锚架可在桅杆上转动调节位置。本发明的旋挖钻机解决了旋挖钻机运输超高的问题。

Figure 202110697026

A rotary drilling rig includes an anchor hanger and a mast, the anchor hanger is connected to the end of the mast, and the anchor hanger can be rotated on the mast to adjust the position. The rotary drilling rig of the present invention solves the problem that the rotary drilling rig is super high in transportation.

Figure 202110697026

Description

Rotary drilling rig
Technical Field
The invention relates to the technical field of pile foundation construction equipment, in particular to a rotary drilling rig.
Background
At present, most of low-clearance rotary drilling rigs in the market are developed by taking standard rotary drilling rigs as platforms, and the low-clearance rotary drilling rigs mainly meet the requirement of low-clearance construction by reducing the height of masts. Except that the working devices (a mast, a pressurizing oil cylinder, a drill rod, a power head and a suspension anchor frame (a goose head)) of the whole machine are changed, the main body structures of the whole machine are consistent with those of a standard rotary drilling rig.
However, the rotary drilling rig needs to meet the construction requirement in a low clearance state, the height of the whole machine is limited, and therefore the mast needs to be designed to be short. During transportation, the mast cannot be leveled because the anchor hanging frame (goose head) cannot avoid the rotating platform part of the main machine when put down after the mast is completely inverted; in addition, the pulley at the upper end of the anchor lifting frame (goose head) is ultrahigh after the mast of the whole machine is inverted, and the anchor lifting frame (goose head) can not be overturned backwards along the mast like a traditional rotary drilling rig so as to avoid the ultrahigh. Therefore, when the low-clearance rotary drilling rig is transported, the anchor hanger (goose head) must be detached so as to flatten the mast and reduce the transport height. Therefore, the complexity of transition is increased, the hoisting cost of a crane is spent, and the use cost of the whole machine is increased.
Disclosure of Invention
In view of the above, the invention provides a rotary drilling rig, which solves the problem that the rotary drilling rig is ultrahigh in transportation.
A rotary drilling rig comprises a lifting anchor frame and a mast, wherein the lifting anchor frame is connected to the end portion of the mast, and the lifting anchor frame can rotate on the mast to adjust the position.
In an embodiment of the invention, the rotary drilling rig further comprises a central shaft and a fastening piece, the central shaft is connected between the anchor lifting frame and the mast, and the central shaft is fixed on the mast through the fastening piece.
In an embodiment of the present invention, a first flange plate is fixed to a bottom of the anchor lifting frame, a second flange plate is fixed to an end of the mast, the first flange plate and the second flange plate are cooperatively connected through a bolt and a nut, and the central shaft penetrates through the first flange plate and the second flange plate and is fixedly connected to the second flange plate through the fastener.
In an embodiment of the present invention, the first flange plate is provided with a first mounting hole, the second flange plate is provided with a second mounting hole and a shaft sleeve corresponding to the first mounting hole, and the central shaft passes through the first mounting hole, the second mounting hole and the shaft sleeve and is fixedly connected to the fastening member.
In an embodiment of the present invention, a reinforcing plate is further fixed to the mast, and the reinforcing plate is disposed opposite to the second flange plate and is fixedly connected to the shaft sleeve.
In an embodiment of the present invention, a limit pin is fixed on the first flange plate, a limit groove is formed in the second flange plate, and the limit pin is located in the limit groove.
In an embodiment of the present invention, the limiting groove is an arc groove, and a central angle of the limiting groove is 270 °.
In an embodiment of the present invention, the limit pin includes a first limit pin and a second limit pin, the first limit pin and the second limit pin are both located in the limit groove, and a connection line between the first limit pin and the second limit pin passes through a center of the limit groove.
In an embodiment of the invention, the side wall of the mast is provided with a through hole for facilitating fastening or unfastening of the fastening member.
In the embodiment of the invention, the main hoisting front pulley and the main hoisting rear pulley are arranged on the anchor lifting frame, the center of the main hoisting front pulley and the center of the main hoisting rear pulley are positioned on the same horizontal line, and the outer diameter of the main hoisting front pulley is the same as that of the main hoisting rear pulley.
When the rotary drilling rig is switched from the transportation state to the working state, the anchor lifting frame can normally work by rotating and adjusting the anchor lifting frame to a reasonable position on the mast. When the rotary drilling rig is switched from the working state to the transportation state, the anchor lifting frame rotates on the mast to adjust the position, so that the whole anchor lifting frame is parallel to the ground, then the mast is inverted to be horizontal, and the whole height of the rotary drilling rig is the minimum at the moment, so that the transportation can be started. Therefore, when the rotary drilling rig is transported, the mast can be flattened without disassembling the anchor hanger, and the problem that the rotary drilling rig is ultrahigh in transportation is solved.
Drawings
Fig. 1 is a schematic structural view of the rotary drilling rig during transportation.
Fig. 2 is a schematic structural diagram of the rotary drilling rig during operation.
Fig. 3 is a partially enlarged schematic structural view of the rotary drilling rig shown in fig. 2.
Fig. 4 is a partial sectional structural schematic view of the rotary drilling rig shown in fig. 3.
Fig. 5 is a partially enlarged schematic view of the mast of the present invention.
Fig. 6 is a partial cross-sectional structural view of the mast shown in fig. 5.
Detailed Description
Referring to fig. 1 to 6, the rotary drilling rig includes a hanger 11 and a mast 12, the hanger 11 is connected to an end of the mast 12, and the hanger 11 can rotate on the mast 12 to adjust a position.
As shown in fig. 2, when the rotary drilling rig of the present invention is switched from the transportation state to the working state, the anchor hanger 11 can be adjusted to a reasonable position by rotating on the mast 12, so that the anchor hanger 11 can work normally. As shown in fig. 1, when the rotary drilling rig is switched from the working state to the transportation state, the position of the anchor hanger 11 is adjusted by rotating on the mast 12, so that the whole anchor hanger 11 is parallel to the ground, then the mast 12 is made to be horizontal, and at this time, the whole height of the rotary drilling rig is minimum, and the transportation can be started. Therefore, when the rotary drilling rig is transported, the mast 12 can be leveled without disassembling the anchor hanger 11, and the problem that the rotary drilling rig is ultrahigh in transportation is solved.
Further, the rotary drilling rig further comprises a central shaft 13 and a fastener 14, wherein the central shaft 13 is connected between the anchor hanger 11 and the mast 12, and the central shaft 13 is fixed on the mast 12 through the fastener 14. In this embodiment the frame 11 rotates about a central axis 13.
Further, the central shaft 13 is, for example, a bolt, which comprises a bolt head connected with the boom 11 and a threaded section fixed to the mast 12 by a fastener 14, wherein the fastener 14 is, for example, a nut cooperating with the bolt.
Further, a first flange plate 15 is fixed at the bottom of the anchor hanger 11, a second flange plate 16 is fixed at the end of the mast 12, the first flange plate 15 and the second flange plate 16 are connected in a matched manner through bolts and nuts, and the central shaft 13 passes through the first flange plate 15 and the second flange plate 16 and is fixedly connected to the second flange plate 16 through a fastener 14. When the position of the lifting and anchoring frame 11 needs to be adjusted by rotation, the position of the lifting and anchoring frame 11 can be adjusted by loosening the bolts and nuts for fixing the first flange plate 15 and the second flange plate 16.
Further, the central axis 13 is perpendicular to the first flange plate 15 and the second flange plate 16.
Furthermore, a first mounting hole is formed in the first flange plate 15, a second mounting hole 101 and a shaft sleeve 17 corresponding to the first mounting hole are formed in the second flange plate 16, and the central shaft 13 penetrates through the first mounting hole, the second mounting hole 101 and the shaft sleeve 17 and is fixedly connected to the fastening member 14. In this embodiment, the sleeve 17 is welded to the second flange plate 16.
Further, a reinforcing plate 18 is fixed on the mast 12, and the reinforcing plate 18 is arranged opposite to the second flange plate 16 and is fixedly connected with the shaft sleeve 17. In this embodiment, the reinforcing plate 18 is provided with a third mounting hole, the shaft sleeve 17 is located in the third mounting hole, and the reinforcing plate 18 can enable the shaft sleeve 17 to be matched with the central shaft 13 more stably.
Furthermore, a limit pin 19 is fixed on the first flange plate 15, a limit groove 102 is formed on the second flange plate 16, and the limit pin 19 is located in the limit groove 102. The limit pin 19 is matched with the limit groove 102, so that the rotation path and the angle of the anchor hanger 11 can be limited.
Further, as shown in fig. 5, the limiting groove 102 is an arc groove, and the central angle of the limiting groove 102 is 270 °.
Further, the limit pin 19 includes a first limit pin 191 and a second limit pin 192, the first limit pin 191 and the second limit pin 192 are both located in the limit groove 102, and a connection line between the first limit pin 191 and the second limit pin 192 passes through a center of the limit groove 102. In this embodiment, the ends of the first limiting pin 191 and the second limiting pin 192 are located in the limiting groove 102, and when the anchor hanger 11 rotates, the first limiting pin 191 and the second limiting pin 192 slide around the central shaft 13 in the limiting groove 102. In addition, since the stopper groove 102 is an arc groove and the central angle of the stopper groove 102 is 270 °, when the first stopper pin 191 or the second stopper pin 192 slides to one end of the stopper groove 102, the first stopper pin 191 or the second stopper pin 192 is blocked by the groove wall of the stopper groove 102, thereby restricting the first stopper pin 191 or the second stopper pin 192 from continuing to slide.
Further, since the connecting line between the first position-limiting pin 191 and the second position-limiting pin 192 passes through the center of the position-limiting groove 102, that is, the angle between the first position-limiting pin 191 and the second position-limiting pin 192 is 180 °, and meanwhile, the central angle of the position-limiting groove 102 is 270 °. Therefore, when one of the first limiting pin 191 and the second limiting pin 192 is located at one end of the limiting groove 102, the first limiting pin 191 and the second limiting pin 192 can rotate 90 ° at maximum in the limiting groove 102, so that the anchor hanger 11 can rotate 90 ° around the central shaft 13. Therefore, the arc-shaped limiting groove 102 with the central angle of 270 degrees is arranged, so that the suspension anchor frame 11 can rotate 90 degrees exactly.
Further, if the position of the anchor hanger 11 is not adjusted by rotating the anchor hanger 11, after the anchor hanger 11 is adjusted from the working state to the transportation state, the length direction of the anchor hanger 11 is vertical to the ground or inclined, and the height of the rotary drilling rig does not reach the minimum height at this time, so that the rotary drilling rig is ultrahigh during transportation, and the anchor hanger 11 must be disassembled to flatten the mast 12 to reduce the transportation height. As shown in fig. 1, if the anchor hanger 11 rotates 90 degrees, the length direction of the anchor hanger 11 is parallel to the ground, and the height of the rotary drilling rig is the lowest, so that the rotary drilling rig can be transported conveniently, and the problem that the rotary drilling rig is too high does not need to be considered.
Further, the side wall of the mast 12 is provided with through holes 103, and the through holes 103 are used for facilitating fastening or loosening of the fastening members 14 or fastening or loosening of bolts and nuts for fixing the first flange plate 15 and the second flange plate 16. In this embodiment, the mast 12 is generally a closed hollow rod surrounded by four side plates and having a second flange plate 16 fixed to an end thereof, and since the fastening member 14 for fastening the central shaft 13 and the nut for fastening the bolt are both located on the second flange plate 16 and inside the mast 12, the through hole 103 needs to be formed to facilitate a constructor to loosen or fasten the fastening member 14 and the nut inside the mast 12.
Furthermore, a main hoisting front pulley 21 and a main hoisting rear pulley 22 are arranged on the anchor lifting frame 11, the center of the main hoisting front pulley 21 and the center of the main hoisting rear pulley 22 are located on the same horizontal line, and the outer diameter of the main hoisting front pulley 21 is the same as that of the main hoisting rear pulley 22. Because the center of the front main winch pulley 21 and the center of the rear main winch pulley 22 are positioned on the same horizontal line, and the outer diameter of the front main winch pulley 21 is the same as that of the rear main winch pulley 22, when the rotary drilling rig works, the front main winch pulley 21 and the rear main winch pulley 22 are at the same height, the height of the whole machine is effectively reduced, the length of the mast 12 can be lengthened to the maximum extent, and the maximum drilling depth is increased.
Further, the rotary drilling rig also comprises an upper vehicle body 23, a luffing mechanism 24 and a mast oil cylinder 25, the mast 12 is connected with the upper vehicle body 23 through the luffing mechanism 24 and the mast oil cylinder 25,
further, the mast cylinder 25 includes a first cylinder body having one end connected to the luffing mechanism 24 and a first piston rod having one end connected to the mast 12.
Further, the upper end of the mast 12 is connected to one end of a first piston rod, and the lower end of the mast 12 is connected to the luffing mechanism 24.
Further, the rotary drilling rig further comprises a follow-up frame 26, a drill rod drilling tool 27 and a power head 28, the mast 12 is further provided with a guide rail for mounting the follow-up frame 26, the follow-up frame 26 is mounted on the guide rail, the follow-up frame 26 is connected with the drill rod drilling tool 27, the drill rod drilling tool 27 penetrates through the power head 28, and the drill rod drilling tool 27 can slide on the guide rail of the mast 12 through the follow-up frame 26.
Furthermore, a pressurizing cylinder 29 is fixed on the mast 12, the pressurizing cylinder 29 comprises a second cylinder body and a second piston rod, one end of the second cylinder body is fixed on the mast 12, and one end of the second piston rod is connected with the power head 28.
Further, the rotary drilling rig needs four steps from the working state to the transportation state. In a first step, the power head 28 is placed at the lowermost end of the mast 12, the drill string tool 27, the follower frame 26, and the connecting bolts between the upper and lower sections of the mast 12 are removed. In the second step, the mast 12 is made to be horizontal by the mast retracting cylinder 25. Third, the nuts connecting the first flange plate 15 and the second flange plate 16 are loosened, the fastening pieces 14 fastening the center shaft 13 are loosened, the anchor hanger 11 is rotated by 90 ° with respect to the mast 12 through the center shaft 13, the nuts connecting the first flange plate 15 and the second flange plate 16 are tightened, and the fastening pieces 14 fastening the center shaft 13 are tightened. Fourthly, the amplitude of the amplitude variation is minimized through the amplitude variation oil cylinder of the amplitude variation collecting mechanism 24.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, "upper," "lower," "left," and "right," and the like are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed.
Secondly, the present invention is not limited to the specific details of the above-described embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications all fall within the scope of protection of the present invention. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
Finally, the above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1.一种旋挖钻机，其特征在于，包括吊锚架(11)和桅杆(12)，所述吊锚架(11)连接于所述桅杆(12)的端部，所述吊锚架(11)可在所述桅杆(12)上转动调节位置。1. A rotary drilling rig, characterized in that it comprises an anchor hanger (11) and a mast (12), the anchor hanger (11) is connected to an end of the mast (12), and the anchor hanger (12) (11) Adjustable position can be rotated on the mast (12). 2.如权利要求1所述的旋挖钻机，其特征在于，所述旋挖钻机还包括中心轴(13)和紧固件(14)，所述中心轴(13)连接于所述吊锚架(11)与所述桅杆(12)之间，所述中心轴(13)通过所述紧固件(14)固定于所述桅杆(12)。2. The rotary drilling rig according to claim 1, characterized in that, the rotary drilling rig further comprises a central shaft (13) and a fastener (14), the central shaft (13) being connected to the hanging anchor Between the frame (11) and the mast (12), the central shaft (13) is fixed to the mast (12) by the fastener (14). 3.如权利要求2所述的旋挖钻机，其特征在于，所述吊锚架(11)的底部固定有第一法兰板(15)，所述桅杆(12)的端部固定有第二法兰板(16)，所述第一法兰板(15)与所述第二法兰板(16)通过螺栓与螺母配合连接，所述中心轴(13)穿过所述第一法兰板(15)、所述第二法兰板(16)并通过所述紧固件(14)固定连接于所述第二法兰板(16)。3. The rotary drilling rig according to claim 2, characterized in that a first flange plate (15) is fixed to the bottom of the anchor hanger (11), and a first flange plate (15) is fixed to the end of the mast (12). Two flange plates (16), the first flange plate (15) and the second flange plate (16) are connected by bolts and nuts, and the central shaft (13) passes through the first flange plate (16). The flange plate (15) and the second flange plate (16) are fixedly connected to the second flange plate (16) by the fastener (14). 4.如权利要求3所述的旋挖钻机，其特征在于，所述第一法兰板(15)上设有第一安装孔，所述第二法兰板(16)设有与所述第一安装孔对应的第二安装孔(101)以及轴套(17)，所述中心轴(13)穿过所述第一安装孔、所述第二安装孔(101)以及所述轴套(17)并于所述紧固件(14)固定连接。4. The rotary drilling rig according to claim 3, wherein the first flange plate (15) is provided with a first mounting hole, and the second flange plate (16) is provided with a A second installation hole (101) and a shaft sleeve (17) corresponding to the first installation hole, the central shaft (13) passing through the first installation hole, the second installation hole (101) and the shaft sleeve (17) and fixedly connected to the fastener (14). 5.如权利要求4所述的旋挖钻机，其特征在于，所述桅杆(12)上还固定有加强板(18)，所述加强板(18)与所述第二法兰板(16)相对设置并与所述轴套(17)固定连接。5. The rotary drilling rig according to claim 4, characterized in that, a reinforcing plate (18) is also fixed on the mast (12), the reinforcing plate (18) and the second flange plate (16) ) are oppositely arranged and fixedly connected with the shaft sleeve (17). 6.如权利要求3所述的旋挖钻机，其特征在于，所述第一法兰板(15)上固定有限位销(19)，第二法兰板(16)设有限位槽(102)，所述限位销(19)位于所述限位槽(102)内。6. The rotary drilling rig according to claim 3, characterized in that a limiting pin (19) is fixed on the first flange plate (15), and a limiting groove (102) is provided on the second flange plate (16) ), the limiting pin (19) is located in the limiting groove (102). 7.如权利要求6所述的旋挖钻机，其特征在于，所述限位槽(102)呈圆弧槽，所述限位槽(102)的圆心角为270°。7. The rotary drilling rig according to claim 6, wherein the limiting groove (102) is a circular arc groove, and the central angle of the limiting groove (102) is 270°. 8.如权利要求7所述的旋挖钻机，其特征在于，所述限位销(19)包括第一限位销(191)和第二限位销(192)，所述第一限位销(191)、所述第二限位销(192)均位于所述限位槽(102)内，所述第一限位销(191)与所述第二限位销(192)之间的连线经过所述限位槽(102)的圆心。8. The rotary drilling rig according to claim 7, wherein the limit pin (19) comprises a first limit pin (191) and a second limit pin (192), the first limit pin (192) The pin (191) and the second limit pin (192) are both located in the limit groove (102), and between the first limit pin (191) and the second limit pin (192) The connecting line passes through the center of the limiting groove (102). 9.如权利要求2所述的旋挖钻机，其特征在于，所述桅杆(12)的侧壁设有通孔(103)，所述通孔(103)用于方便紧固或松开所述紧固件(14)。9. The rotary drilling rig according to claim 2, characterized in that, the side wall of the mast (12) is provided with a through hole (103), and the through hole (103) is used to facilitate tightening or loosening the the fastener (14). 10.如权利要求1所述的旋挖钻机，其特征在于，所述吊锚架(11)上设有主卷扬前滑轮(21)和主卷扬后滑轮(22)，所述主卷扬前滑轮(21)的中心与所述主卷扬后滑轮(22)的中心位于同一水平线上，所述主卷扬前滑轮(21)的外径与所述主卷扬后滑轮(22)的外径相同。10. The rotary drilling rig according to claim 1, characterized in that, the anchor frame (11) is provided with a main hoisting front pulley (21) and a main hoisting rear pulley (22), the main hoisting pulley (22) The center of the front hoisting pulley (21) and the center of the main hoisting rear pulley (22) are located on the same horizontal line, and the outer diameter of the main hoisting front pulley (21) and the main hoisting rear pulley (22) of the same outer diameter.
CN202110697026.6A 2021-06-23 2021-06-23 Rotary drilling rig Pending CN113236122A (en)

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PCT/CN2022/099985 WO2022268041A1 (en) 2021-06-23 2022-06-20 Rotary drilling rig

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN114215483A (en) * 2021-12-17 2022-03-22 常州市宏业基础工程有限公司 Anchor lifting frame and low-clearance rotary drilling rig comprising same
WO2022268041A1 (en) * 2021-06-23 2022-12-29 上海中联重科桩工机械有限公司 Rotary drilling rig
CN115977551A (en) * 2022-12-26 2023-04-18 太重集团(上海)装备技术有限公司 The detachable structure and construction method of a section of the lower mast for rotary drilling rig
CN116006073A (en) * 2023-02-07 2023-04-25 钟远机械(上海)有限公司 Drilling equipment for impact pile hole
CN116575874A (en) * 2023-06-14 2023-08-11 徐州徐工基础工程机械有限公司 A self-rotating goose head structure of a low-profile rotary drilling rig

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